Key facts
- Brand
- Yamaha
- Model
- P-125
- Documents
- 7
- Languages
- EN
- Last added
- 2023-10-20
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Yamaha P1150/P1250/P2150/P2250 Power Amplifier User Manual
This manual describes four professional power amplifiers: the single-channel P1150 and P1250, and the dual-channel P2150 and P2250. These models share similar packaging and circuitry but differ in power output per channel. The P1150 is rated at 100 watts into 8 ohms, while the P1250 is rated at 170 watts into 8 ohms. The dual-channel versions deliver the same power per channel and feature a rear panel switch for bridged mono operation.
Read onlineYamaha P-125 specifications
| P1150 Power Output (8 ohms) | 100 watts |
|---|---|
| P1150 Power Output (4 ohms) | 150 watts |
| P1250 Power Output (8 ohms) | 170 watts |
| P1250 Power Output (4 ohms) | 250 watts |
| P2250 Bridged Mono Power (4 ohms) | 500 watts |
Source: Yamaha P1150/P1250/P2150/P2250 Power Amplifier User Manual
All Yamaha P-125 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- Yamaha P-125 P-121 Digital Piano Owner’s Manual 32 p
- Yamaha P1150/P1250/P2150/P2250 Power Amplifier User Manual 44 p
- Yamaha KP125W Electronic Drum Pad Owner's Manual 7 p
- Yamaha KP125W Electronic Drum Pad Owner's Manual 7 p
- Yamaha NS-P125/NS-C125/NS-M125 Owner's Manual 6 p
- Yamaha KP125 Electronic Drum Pad Owner's Manual 4 p
- Yamaha KP125 Drum Machine Owner's Manual 4 p
Questions answered in these manuals
What is the operating temperature range for the instrument?
The verified operating temperature range is 5° — 40°C, or 41° — 104°F.
Do I need to tune the piano?
No, unlike an acoustic piano, this instrument does not need to be tuned by an expert.
What is the power output of the P1150 into 8 ohms?
The P1150 is rated at 100 watts into 8 ohms.
From: Yamaha P1150/P1250/P2150/P2250 Power Amplifier User Manual
How does the P2150 operate in bridged mono mode?
In bridged mono mode, the P2150 delivers 300 watts into 8 ohms.
From: Yamaha P1150/P1250/P2150/P2250 Power Amplifier User Manual
What are the assembled dimensions and weight of the KP125W?
The assembled drum pad measures 480 mm long, 220 mm wide, and 510 mm high, with a weight of 6.2 kg.
How should the KP125W be stored if it is not connected to a foot pedal?
You must disconnect the cable from the sound source module and lay the pad unit flat with the striking surface facing up.